/* =====================================================================
   Unified Audio Player - Consistent Design System
========================================================================*/

:root {
    --primary-color: #dfb96d;
    --secondary-color: #6f3700;
    --text-color: #1c1c1e;
    --text-color-2: #4e4e56;
    --tex-color-2: #7a7a89;
    
    --color-primary-500: #dfb96d;
    --color-primary-600: #c59f4c;
    --color-primary-700: #a38034;
    --color-primary-100: #faebce;
    --color-primary-50: #fdf7ea;
    --color-secondary-500: #6f3700;
    --color-secondary-600: #5c2e00;
    --color-text-primary: #1c1c1e;
    --color-text-secondary: #4e4e56;
    --color-text-muted: #7a7a89;
}

/* Unified Sample Player (Inline) */
.unified-sample-player {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    padding: 2rem;
    margin: 1.5rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
}

.unified-sample-player:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

/* Player Header */
.unified-player-header {
    text-align: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 1.5rem;
}

.unified-player-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.unified-player-title i {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.unified-player-subtitle {
    color: var(--tex-color-2);
    font-size: 1rem;
    margin: 0;
}

/* Main Player Container */
.unified-player-container {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Book Cover */
.unified-cover {
    flex-shrink: 0;
    width: 100px;
    height: 150px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.unified-cover:hover {
    transform: scale(1.02);
}

.unified-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Player Controls Section */
.unified-player-controls {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Book Info */
.unified-book-info {
    text-align: left;
}

.unified-book-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.unified-book-author {
    color: var(--text-color-2);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.unified-duration {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Play Button and Timeline Container */
.unified-controls-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Unified Play Button */
.unified-play-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(223, 185, 109, 0.4);
    position: relative;
    flex-shrink: 0;
}

.unified-play-btn:hover {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
    transform: scale(1.05) translateY(-1px);
    box-shadow: 0 8px 30px rgba(223, 185, 109, 0.5);
}

.unified-play-btn:active {
    transform: scale(0.98);
}

.unified-play-btn.playing {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.unified-play-btn.playing:hover {
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
}

/* Play/Pause Icons */
.unified-play-btn .play-icon,
.unified-play-btn .pause-icon {
    color: white;
    font-size: 1.4rem;
    transition: all 0.2s ease;
}

.unified-play-btn .play-icon {
    margin-left: 2px; /* Optical alignment for play triangle */
}

.unified-play-btn .pause-icon {
    display: none;
}

.unified-play-btn.playing .play-icon {
    display: none;
}

.unified-play-btn.playing .pause-icon {
    display: block;
}

/* Icon visibility control for states */
.unified-play-btn.play .pause-icon {
    display: none;
}

.unified-play-btn.pause .play-icon {
    display: none;
}

/* Unified Timeline */
.unified-timeline-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.unified-timeline {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
    overflow: hidden;
}

.unified-timeline:hover {
    height: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.unified-timeline-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
}

.unified-timeline-progress::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: #ffffff;
    border: 2px solid var(--secondary-color);
    border-radius: 50%;
    opacity: 0;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.unified-timeline:hover .unified-timeline-progress::after {
    opacity: 1;
}

/* Time Display */
.unified-time-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--tex-color-2);
    font-weight: 500;
}

/* Volume Control */
.unified-volume-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e9ecef;
    position: relative;
}

.unified-volume-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(111, 55, 0, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.unified-volume-btn:hover {
    background: rgba(111, 55, 0, 0.2);
    transform: scale(1.05);
}

.unified-volume-btn i {
    font-size: 1.2rem;
}

.unified-volume-slider-container {
    position: absolute;
    left: -80px;
    top: 50%;
    transform: translateY(-50%);
    width: 80px;
    background: white;
    border-radius: 20px;
    padding: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}

.unified-volume-control:hover .unified-volume-slider-container {
    opacity: 1;
    pointer-events: all;
}

.unified-volume-slider {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: rgba(111, 55, 0, 0.2);
    outline: none;
    cursor: pointer;
    appearance: none;
}

.unified-volume-slider::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.unified-volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Loading State */
.unified-player-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    color: var(--tex-color-2);
}

.unified-loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #e9ecef;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: unified-spin 1s linear infinite;
}

@keyframes unified-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error State */
.unified-player-error {
    text-align: center;
    padding: 2rem;
    color: #dc3545;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 12px;
}

.unified-error-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .unified-sample-player {
        padding: 1.5rem;
    }
    
    .unified-player-container {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .unified-cover {
        width: 120px;
        height: 180px;
        margin: 0 auto;
    }
    
    .unified-book-info {
        text-align: center;
    }
    
    .unified-controls-row {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .unified-timeline-container {
        width: 100%;
    }
    
    .unified-volume-control {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .unified-player-title {
        font-size: 1.2rem;
    }
    
    .unified-play-btn {
        width: 50px;
        height: 50px;
    }
    
    .unified-play-btn .play-icon,
    .unified-play-btn .pause-icon {
        font-size: 1.2rem;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .unified-timeline {
        border: 1px solid var(--text-color-2);
    }
    
    .unified-play-btn {
        border: 2px solid var(--secondary-color);
    }
}

/* Animation for player appearance */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus states for accessibility */
.unified-play-btn:focus,
.unified-volume-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.unified-timeline:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.unified-volume-slider:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}